FPCN39 CWLW 111330 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT SATURDAY 11 AUGUST 2001 FOR TODAY. MIXING HEIGHTS IN METRES ABOVE SEA LEVEL. AVERAGE WINDS IN KM/H. SUBTRACT 20 FROM THE VENTILATION INDEX IN VALLEYS IF THE MIXING HEIGHT IS BELOW THE HEIGHT OF LOCAL MOUNTAINS OR HILLS. 11-August-2001 SOUTHERN INTERIOR TODAY TOMORROW 7:00 AM 4:00 PM 4:00 PM VI WND MXG HT VI WND MXG HT VI WND MXG HT KM/H M KM/H M KM/H M FRASER CANYON 10/POOR 3 306 33/FAIR 3 1863 79/GOOD 9 2393 KAMLOOPS 11/POOR 5 417 34/FAIR 4 1688 78/GOOD 9 2488 OKANAGAN 10/POOR 3 517 50/FAIR 5 2262 75/GOOD 7 3026 CASTLEGAR 26/POOR 18 682 56/GOOD 5 2657 77/GOOD 7 3193 CRANBROOK 31/POOR 21 1148 83/GOOD 8 3642 99/GOOD 11 3822 REVELSTOKE 9/POOR 1 507 48/FAIR 5 2148 30/POOR 2 2462 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 0 0 W 17 CRANBROOK N 20 W 22 CENTRAL INTERIOR TODAY TOMORROW 7:00 AM 4:00 PM 4:00 PM VI WND MXG HT VI WND MXG HT VI WND MXG HT KM/H M KM/H M KM/H M QUESNEL 12/POOR 9 609 42/FAIR 4 2293 67/GOOD 10 1995 100 MILE 10/POOR 3 970 35/FAIR 4 2255 91/GOOD 14 2811 WILLIAMS LAKE 11/POOR 7 988 45/FAIR 6 2230 58/GOOD 9 2216 PUNTZI MTN 19/POOR 15 1037 27/POOR 2 2690 44/FAIR 6 2171 PRINCE GEORGE 15/POOR 13 781 21/POOR 2 1797 43/FAIR 5 2147 BURNS LAKE 19/POOR 14 677 47/FAIR 5 2196 43/FAIR 5 1963 SMITHERS 19/POOR 10 704 60/GOOD 6 2540 47/FAIR 5 2164 MCBRIDE 11/POOR 10 772 66/GOOD 7 2769 75/GOOD 8 2989 CLEARWATER 11/POOR 7 457 29/POOR 3 1697 69/GOOD 8 2316 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE W 20 W 26 SMITHERS W 17 SW 22 NORTHERN BC/YUKON TODAY TOMORROW 7:00 AM 4:00 PM 4:00 PM VI WND MXG HT VI WND MXG HT VI WND MXG HT KM/H M KM/H M KM/H M FORT NELSON 19/POOR 15 511 45/FAIR 6 1674 55/GOOD 7 1873 FT ST JOHN 11/POOR 3 815 62/GOOD 5 3234 96/GOOD 15 2627 WHITEHORSE 30/POOR 17 950 53/FAIR 8 1963 31/POOR 3 2128 DAWSON 62/GOOD 17 1123 78/GOOD 13 1860 88/GOOD 13 2231 WATSON LAKE 33/POOR 22 908 76/GOOD 9 2734 61/GOOD 7 2467 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE W 13 W 15 WATSON LAKE NW 11 W 17 WHITEHORSE NW 15 0 0 MAYO W 35 W 37 COAST TODAY TOMORROW 7:00 AM 4:00 PM 4:00 PM VI WND MXG HT VI WND MXG HT VI WND MXG HT KM/H M KM/H M KM/H M VANCOUVER 10/POOR 5 35 21/POOR 11 204 12/POOR 3 191 FRASER VALLEY 10/POOR 6 93 28/POOR 8 531 31/POOR 7 683 SRN VAN ISLD 11/POOR 11 51 13/POOR 4 218 8/POOR 1 238 CNTRL VAN ISLD 16/POOR 16 103 23/POOR 5 558 18/POOR 3 610 NRN VAN ISLD 24/POOR 18 177 48/FAIR 20 445 22/POOR 12 223 TERRACE 13/POOR 5 349 60/GOOD 7 1935 38/FAIR 4 1698 STEWART 12/POOR 6 109 24/POOR 4 710 18/POOR 3 595 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER 0 0 0 0 0 0 SANDSPIT N 22 0 0 SW 17 PORT HARDY NW 20 W 24 SW 39 VENTILATION GUIDELINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/TCS